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    The slope of the road generally provided on the curves, is known as

    A

    Angle of Friction

    B

    Superelevation

    C

    Angle of banking

    D

    none of the above

    Medium Open in App Solution Verified by Toppr

    Correct option is C)

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    [Solved] The slope on the road surface generally provided on the curv

    Explanation: Banking of roads: The phenomenon of raising the outer edge of the curved road above the inner edge is called as banking of roads. It facilitat

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    The slope on the road surface generally provided on the curves is known as

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    AFCAT EKT Mechanical Official Paper 3: Set 01/2015

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    angle of friction angle of repose angle of banking none of these

    Answer (Detailed Solution Below)

    Option 3 : angle of banking

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    Explanation:Banking of roads:

    The phenomenon of raising the outer edge of the curved road above the inner edge is called as banking of roads.

    It facilitates vehicles to turn without slipping.

    The angle by which the road is banked is known as angle of banking.

    tan⁡θ=v2rg=hl

    where θ is the angle of banking, v is the velocity of the vehicle,  r is the radius of the curve,  h is the height of the banking, l is the width of the road.

    Angle of friction:

    It is defined as the angle which the resultant of limiting friction and normal reaction makes with the normal reaction.

    tan⁡θ=FR=μs

    Angle of Repose

    It is defined as the angle of the inclined plane with the horizontal such that a body placed on it just begins to slide.

    In the given figure α is the angle of repose.

    F = mg × sin α N = mg × cos α FN=μs=tan⁡θ=tan⁡α

    Note: Angle of repose is equal to the angle of friction.

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    Q1. If T is the tensile force and µ is the coefficient of friction, then in a steel bolt the horizontal frictional force(F) induced is given byQ2. Directions: Each of the next Six (06) items consists of two statements, one labelled as the 'Statement (I)' and the other as 'Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the codes given below: Statement (I): For moderate speed, the force of friction remains nearly constant and decrease slightly with increase of speed. Statement (II): Friction is dependent on extent of area but independent on normal reaction.Q3. A body of weight 100 N is placed on a rough horizontal plane. If a horizontal force of 60 N just causes the body to slide over the horizontal plane, then the coefficient of friction between the body and the horizontal plane isQ4. If F is the frictional force and Fmax is the maximum frictional force, in the case of static friction, what does F < Fmax imply?Q5. Consider a box kept inside a train moving with acceleration. Which of the following types of friction opposes the box relative motion such that it moves with the same acceleration as the train?Q6. Fill in the blank with the appropriate word(s) from the options. An inclined plane decreases the force required to raise an object, by __________ the distance over which the force must be applied.Q7. Which of the following is NOT a law of static friction?Q8. Which of the following statements is/are true regarding the law of static friction? I) The force of friction is dependent on the area of contact between the two surfaces. II) The force of friction depends on the roughness of the surfaces. III) The ratio of limiting friction to normal reaction is constant.Q9. Which of the following statements is/are true with respect to friction? I. Application of grease reduces friction II. Rolling friction produces the least friction III. Static friction is less than rolling frictionQ10. The force of friction always acts in a direction ________ to that in which the body tends to move the body.

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    Q1. If T is the tensile force and µ is the coefficient of friction, then in a steel bolt the horizontal frictional force(F) induced is given by

    स्रोत : testbook.com

    The slope on the road surface generally provided on the curves

    The slope on the road surface generally provided on the curves is known as a) Angle of friction b) Angle of repose c) Angle of banking d) None of these

    Examveda

    The slope on the road surface generally provided on the curves is known as

    A. Angle of friction

    B. Angle of repose C. Angle of banking D. None of these

    Answer: Option C

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